Ohio might consider adding nitrogen gas as a new execution method because of problems securing lethal injection drugs. There have been no executions in the state for 2½ years, largely because of lawsuits and difficulty obtaining drugs for lethal injection. Beginning in January, there are 28 convicted killers with execution dates scheduled over four years. John Murphy, executive director of the Ohio Prosecuting Attorneys Association, said today lethal injection is "stalled" and it's time for a change. Prosecutors have long been strong supporters of Ohio's death penalty law. "I think the legislature ought to recommend another method of execution," Murphy said in an interview. He recommends switching ...